Toronto vs Montreal

Live air quality comparison. Montreal has cleaner air right now.

Canada
Toronto
51
Moderate
Canada
Montreal
22
Good
MetricTorontoMontreal
AQI5122
PM2.53.9 μg/m³9.9 μg/m³
PM104.2 μg/m³10.3 μg/m³
Ozone51 ppb32 ppb
NO212.3 ppb22.2 ppb

Lower values mean cleaner air. Updated hourly. Sources: OpenAQ, Open-Meteo.